Mosquito Repellent Creams: Are They Harming Your Skin Or Protecting Your Health?

As mosquito-borne illnesses like dengue and malaria continue to surge across India, the humble mosquito repellent cream has become a daily essential. Yet, despite its widespread use, concerns linger: Are these creams quietly damaging our skin?

Dermatologists say the answer is more nuanced than a simple yes or no.

From a clinical and public health standpoint, the benefits of repellent creams far outweigh their risks. According to Dr Priyanka Kuri, Consultant, Dermatology, Aster Whitefield Hospital, widely used active ingredients such as DEET, picaridin, and IR3535 have been rigorously studied and are considered safe when used as directed. She emphasizes that current research and regulatory assessments (2025–2026) consistently support their safety

profile. However, Dr. Kuri is careful to draw an important distinction, “Safe does not mean completely free of side effects.”

Some individuals, particularly those with sensitive skin may experience mild irritation, redness, or rashes, especially with frequent or excessive use. This is less about the inherent danger of the product and more about how it is formulated and applied.

Dr Kuri also highlights a critical perspective often overlooked in the debate: the risk trade-off. With rising cases of mosquito-borne diseases, avoiding repellents altogether can expose individuals to far greater health threats. Statistically, the likelihood of an allergic reaction from properly used repellents is minimal compared to the risk of contracting infections.

Interestingly, the growing shift toward “natural” or herbal repellents isn’t necessarily a safer alternative. While they may seem gentler, Dr Kuri points out that they often lack longevity and consistent efficacy, and in some cases, can still trigger skin reactions.

Echoing these views, Dr Sai Lahari Rachumallu, Associate Consultant, Dermatology, Manipal Hospital, Bhubaneshwar, notes that repellent creams often get an unfair reputation. “They’re generally safe when used the right way. Most issues arise from misuse rather than the product itself,” she explains.

Dr Rachumallu underscores that ingredients like DEET and picaridin have decades of safety data supporting their use. For most people, they cause no issues. However, those with conditions such as eczema or pre-existing skin sensitivities may experience mild symptoms like itching or a burning sensation.

She points to application habits as a key factor in adverse reactions. Overuse, layering repellents with other skincare products, or applying them on damaged skin can increase the likelihood of irritation. The face, in particular, requires careful handling, repellents should be applied to the hands first and then gently spread, avoiding sensitive areas like the eyes and mouth.

For children, she recommends milder formulations and minimal quantities, while adults should make it a habit to wash off repellents after returning indoors.
Both experts converge on a simple but crucial message: proper use is everything. Applying only the required amount, avoiding broken skin, and cleansing the skin after exposure can significantly reduce the risk of side effects.

Dr. Rachumallu offers a clear rule of thumb: if you notice persistent itching, rash, or swelling, discontinue use and seek medical advice.

Mosquito repellent creams are not the skin-damaging culprits they’re often made out to be. When used responsibly, they are a critical line of defense against serious infectious diseases.

In a landscape where prevention can mean the difference between health and hospitalization, the real question may not be whether you should use repellent but whether you can afford not to.